One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when it's a good idea to plant cabbage is to examine the USDA zone info for Twin Falls.

Planting Calendar for Cabbage

Frost tolerance for cabbage:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant cabbage a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant cabbage in Twin Falls is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant cabbage and expect a good harvest is probably September. If you wait any later than that and your cabbage may not have a chance to really do well. If you are starting your cabbage indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Twin Falls. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Twin Falls may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Twin Falls it frosts late in the year after April 15 so always be ready to cover your cabbage if you have one of those late frosts.

USDA Zone Info for Twin Falls

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Twin Falls

You may be interested in your other planting guides for Twin Falls.